Tech Talk - Building A Cigar Box Guitar Part 8 - Complete!

The completion of a cigar box guitar

Tech Talk - VOX V15 (1980)

The V15 was a compact five valve (tube) 15 watt amplifier that featured two ECC83, one ECC81, and and two EL-84 tubes. It was produced by the Dallas Industries manufacturing plant in Shoeburyness, Southend-on-Sea, Essex England
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Tech Talk - Epiphone Valve Junior (2007)

11 Ply Birch Plywood Construction
5 Watts RMS
Volume Control
Power Switch
1 Input, 1 Channel
1 x 12AX7A Preamp Valve/Tube
1 x EL84 Power Valve/Tube
Single-Ended Class A Cathode Bias Design
Solid State Diode Rectified
Weight: 20.9lbs / 9.5kg
Dimensions: 14.6" x 8.7" x 15.1" / 370mm x 220mm x 384mm
Made in China
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Tech Talk - Building A Cigar Box Guitar Part 6

The cigar box guitar is a primitive chordophone whose resonator is a discarded cigar box. Because the instrument is homemade, there is no standard for dimensions, string types or construction techniques. Many early cigar box guitars consisted of only one or two strings that were attached to the ends of a broomstick that was inserted into the cigar box. Other cigar box guitars were more complex, with the builder attempting to simulate a traditional string instrument such as a guitar, banjo, or fiddle.

Tech Talk - KAY "K503A"(1962)

KAY "K503A"(1962)
2-3Watt 1x8"speaker
with 'radio' tubes--12AU6, 50L6, 35Z5.

Tech Talk - Suprem "Piccolo"(1963)

Manufacturer/Brand: Suprem; Leinfelden

Valves / Tubes 5: ECC83 ECC83 EL84 EL84 EZ81
Principle Audio-Amplification
Wave bands - without
Power type and voltage Alternating Current supply (AC) / 110; 220 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out 16 W
from Radiomuseum.org Model: Piccolo
Material Leather / canvas / plastic - over other material
Shape Console with any shape - in general (details not known).
Dimensions (WHD) 360 x 220 x 210 mm / 14.2 x 8.7 x 8.3 inch


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Tech Talk - Gibson GA-20 (1956)

Gibson GA20 (1955)
Speaker Config: Jensen P12R
Wattage: 12w
Tube Setup: 5Y3, 2x6V6, 12AY7s

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Tech Talk - Building A Cigar Box Guitar Part 5

Installation 5 of building your own cigar box guitar.

Enjoy!

Tech Talk - Masco MA-17 (1946)

Masco Amplifiers were largely a mail order brand available through LaMasco heads with custom speaker cabinets or make a combination amp cabinet. They amps often have multiple speaker outputs to accomodate a variety of speaker combinations. The microphone input is perfect for a high impedance mic such as the JT-30.

MASCO stands for Mark Alan Sampson Company and the amps were produced on Long Island, NY during the 1940s and 1950s. The circuits in Masco amps were often incuded in SAMS photofacts and appear regularly on eBay.

These are almost always amps with two 6V6 tubes and older preamp tubes.
1x10" LANEY model "Disco Cabinet" (closed back)
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Tech Talk - Dynacord Jazz (1964)

This tube combo-type amplifier was made by Dynacord , called JAZZ (simple but greatest naming!!). Tube's composition are 2 x ECC83, 1 x EZ81, 2 x EL84. 20w simple amplifier but sounds warm and great. Not BOOMY on the mid-range, very clear tone. inputs are : 1 x Microphone, 1 x Pickup, 1 x radio. each has the volume pot and 1 x tone-control pot effects overall sounds. Dynacord-JAZZ has the several version. One is the simplest 1 x 10inch speaker (8 ohm). This is the 2 x 10inch speakers (15ohm each). Speaker units was made by Dynacord with Alnico-Magnets. The Amp-head model was also available. This is the red-light gray colored model, but the simple black model also released.

In the 50-60s era, German audio-equipment company used the 3pin DIN plug or 2pin socket for their electrical connections.
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Tech Talk - Seydel Hyper-Amp (2007)

Technical data - Hyperamp HA 1510 REV

Output: 15VA an 4 / 8 Ohm (switchable) *

Speaker: 10'' Jensen P10R 8 Ohm -SPECIAL DESIGN-

Power amplifier: Class A (2 x EL84)

Level indicator: EM84 (magic eye), at the front

Input1: Guitar socket 6,3 mm (mono), -10 dBu at 1 MOhm

Input2: XLR-socket, -30 dBu at 200 Ohm

Effects: parallel, with Level-(Reverb-) control **

DI-output: XLR with transformer (magnetically shielded)

Sound control: 3 bands

Controls at the front: INPUT 1, INPUT 2, BASS, MIDDLE, TREBLE, VOLUME, EFFECT/REVERB, Stand By-switch, line-switch, operation light

Controls at the back: Electric supply with fuse and spare fuse, sockets EFF RET and EFF SEND, XLR-socket DI OUT, socket for ext. speaker EXTERN, socket for int. speaker INTERN, Impedance switch 4 / 8 Ohm

Tube assembly: 1 x EZ81, 2 x EL84, 1 x ECC81, 2 x ECC83, 1 x EM84

Spring reverb: Accutronics, 3 springs
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Tech Talk - Fender Concert-Amp (1963)

Year:
1959-1963

Model:
Concert

Model No:
5G12 (59)
6G12 (60)
6G12-A (60-63)

Config:
Combo

Control Panel:
Brown forward facing w/ white screened labels, controls numbered 1-10

Front Conrol Layout:
Normal: In, In, Bass, Treb, Vol - Vibrato: In, In, Bass, Treb, Vol, Speed, Intensity - Presense - Pilot Lamp (6G12-A)

Rear Conrol Layout:
6G12: Ground Sw, Fuse (3A), Power Sw, Standby Sw, Speaker Jack, Vibrato Jack
6G12-A: Ground Sw, Fuse (3A), Power Sw, Standby Sw, Speaker Jack, Ex Speaker Jack, Vibrato Jack

Knobs:
Brown round

Cabinet:
24" x 24" x 10½" (61 x 61 x 26.7 cm)

Cab Covering:
Pinkish Brown Tolex(59-61) or Brown Tolex (62-63)

Cab Hardware:
Brown plastic or black strap (63) handle, 5½" chassis straps, glides

Grille:
Brown (60-61), Maroon (61-62) or Wheat (62-63) grille cloth

Logo:
Grille mounted, flat, chrome & black script "Fender"

Weight:
55 lbs. (24.9 Kg)

Speakers/Load:
4 x 10"/2 ohms (8 ohms each in parallel)

Speaker Model:
Jensen P10R, Jensen P10Q, Jensen C10R or Oxford 10K5

Effects:
Tremolo

Output:
40 Watts

Preamp:
Normal: 7025
Bright: 7025

Power:
6G12: 2 x 6L6GC
6G12-A: 2 x 5881

Bias:
Fixed Bias, nonadjustable

Rectifier:
Solid State

Phase Inverter:
7025 (long tailed)

Other:
Tremolo: 2 x 7025 (6G12) or 2 x 7025 and ½ 12AX7 (6G12-A) (harmonic vibrato)

Comments:


Model 6G12 had the controls ordered Bass, Treble, Volume, etc.
½ 12AX7 was unused on model 6G12-A
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Tech Talk - Peavey Vintage (1972)

Peavey Vintage(1972)
80-100 Watts 4x10" speaker
four 6L6 power tubes
if you need volume this is it

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Tech Talk - Fender Super-Amp (1962)

Model:
Super

Model No:
6G4-A

Config:
Combo

Control Panel:
Brown forward facing w/ white screened labels, controls numbered 1-10

Front Conrol Layout:
6G4: Normal: In, In, Bass, Treb, Vol - Bright: In, In, Bass, Treb, Vol, Speed, Intensity - Presense - Pilot Lamp
6G4-A: Normal: In, In, Vol, Treb, Bass - Bright: In, In, Vol, Treb, Bass, Speed, Intensity - Presense - Pilot Lamp

Rear Conrol Layout:
6G4: Ground Sw, Fuse (3A), Power Sw, Standby Sw, Speaker Jack, Vibrato Jack
6G4-A: Ground Sw, Fuse (3A), Power Sw, Standby Sw, Speaker Jack, Ex. Speaker Jack, Vibrato Jack

Knobs:
Brown round

Cabinet:
18" x 24" x 10½" (45.7 x 61 x 26.7 cm)

Cab Covering:
Pinkish Brown Tolex(60-61) or rough brown Tolex (62-63)

Cab Hardware:
Brown strap handle, 5½" chassis straps, glides

Grille:
Brown (60), Maroon (60-62) or Wheat (62-63) grille cloth

Logo:
Grille mounted, flat, chrome & black script "Fender"

Weight:
47 lbs (21.3 Kg)

Speakers/Load:
2 x 10"/4 ohms (8 ohms each in parallel)

Speaker Model:
Jensen P10R, Jensen P10Q or Oxford 10K5

Effects:
Tremolo

Output:
40 Watts

Preamp:
Normal: 7025
Bright: 7025

Power:
6G4: 2 x 6L6GC
6G4-A: 2 x 5881

Bias:
Fixed Bias, nonadjustable

Rectifier:
GZ34

Phase Inverter:
7025 (long tailed)

Other:
Tremolo: 2 x 7025 (6G4) or 12AX7, ½ 12AX7, and 7025 (6G4-A) (harmonic vibrato)

Comments:
The 6G5-A tremolo circuit left ½ 12AX7 unused.

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Building A Cigar Box Guitar Part 3

Another installment in getting that cigar box guitar.

Enjoy!

Tech Talk - Fender Pro-Amp (1953)

Next installment in cool blues amps.

Year:
1947-1953

Model:
Pro

Model No:
5A5, 5B5, 5C5

Config:
Combo

Control Panel:
Chrome top facing w/ white screened labels, controls numbered 1-12

Conrol Layout:
Fuse (2A), Power Sw, Pilot Lamp, Vol, Mic Vol, Tone/Power Sw, In, In, Mic In, Mic In

Knobs:
Black pointer

Cabinet:
TV Front, 19 7/8"H X 22"W X 10"D tapers to 8 3/4" (50.5 x 55.9 x 25.4 cm)

Cab Covering:
Vertical tweed (47-48) or diagonal tweed

Cab Hardware:
Leather Handle, glides

Grille:
brown mohair (47-48) or linen

Logo:
Cabinet mounted, block letter "Fender Fullerton, California" on rectangular tag

Weight:
?

Speakers/Load:
1 x 15"/8 ohms

Speaker Model:
Jensen F15N (Field Coil) or Jensen P15N

Effects:
None

Output:
18-25 Watts

Preamp:
Mic: 6SC7 or 12AY7 (later models)
Instrument: 6SC7 or 12AY7 (later models)

Power:
2 x metal envelope 6L6

Bias:
Cathode Biased

Rectifier:
5U4

Phase Inverter:
6SC7 or 12AX7(later models) (paraphase)

Comments:


A speaker jack and ex. speaker jack were installed under the chassis.
The filter choke was removed from the circuit on Model 5C5.
A separate On/Off switch was added durring the TV Front era.
A few TV front pros were covered in white vinyl as used on the two-tone champs.


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Tech Talk - Building a Cigar Box Guitar Part 2

Second installment of handbuilding a cool cigar box guitar.

Tech Talk - Premier 71 (1957)

The Model 71 has a big power transformer and two 6L6 power tubes. It has a string of 12AT7 or 12AX7 tubes driving the preamp stages. It also uses a 12AT7 or 12AU7 for the tremelo. It has a 12 inch Jensen Special Speaker and two 3 inch little Jensen Specials acting as tweeters. It was made in the late 1950's and had as much power as the Fender Bassman. It is loved by harp players as well as guitar players.

Tech Talk - Fender Sidekick 10

Latest installment in cool little amps. Check it out!

Dependable amplification for beginners and students! The very affordable Sidekick puts 10 Watts through a 6" speaker, with a pair of tone controls, a headphone jack, and an Overdrive switch for rockin' solos.

Fender amps are one of the guitarists favorite amps. This little Fender Squire Sidekick guitar amp is sure to become a favorite of the young beginner. The Fender Sidekick practice amp is dependable amplification for beginners and students.

This very affordable Fender amp puts 10 watts through a 65" speaker, with a pair of tone controls, a headphone jack, and an overdrive switch for rocking solos. Hook up and wail away.

Fender Sidekick Specifications:

* 10 Watt Amplifier
* 2 Tone Controls
* Headphones Out
* 6" Speaker
* Overdrive switch


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Tech Talk - Silvertone "1432" (1960)

The 1432 was the midline amp in this space-age series, coming on the heels of Sputnik and ushering out the ducktail '50s. The cool, angular design contained essentially the same guts as previous amps in the same power/feature range and gave budding musicians everywhere a solid mid-price, mid-power sound box to power their 'Telstar' and surf rock twangfests. As rockabilly faded and rock began its first round of 'maturing,' so did the look of the amps that powered the sound.
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