Full Line Electronics
Preamplifiers (1)
DB-lB/2A PRECISION PREAMPLIFIER
(10-1/2" panel, Oak Cabinet) 1200 photo
Spec Sheet
pg 1 pg 2
Audio Review
pg 1 pg 2
pg 3
pg 4
pg 5
Preamp Question and Answer pg1 pg2 pg3
Click on image to enlarge
DB-1B-HL/DB-2A As above, no phono, 5 line inputs,
tin jacks 1050
DB-lA/2A PRECISION PREAMPLIFIER
Budget version (8-1/2" panel)1000
DB-1A-HL/DB-2A As above, no phono, 5 line
inputs, tin jacks 800
DBR-15B/2A RACK MOUNT
PRE+TONE CONTROL 1840
DB-4B
PRECISION PRE-PREAMPLIFIER (Requires DB-2A)
470
Spec Sheet
pg 1 pg 2
See below for integral power supply
DB-4B-WW DB-4B with captive wall wart supply, 100-240 VAC 495
Amplifiers
Audio Cover
DB-6A
PRECISION
POWER AMPLIFIER (40 W 8 Ohms)
1350 photo
DB-6A-M PRECISION MONO POWER
AMPLIFIER (140 W 8 Ohms) 2700/pair
Spec Sheet
pg 1 pg 2 Audio Review pg 1 pg 2
Crossover (1)
DB-3 Available
6 dB to 36 dB slopes, fixed frequency. 580 to 1120
Slopes: 6, 12 dB gaussian; 12 dB Butterworth, 18 dB Butterworth, 24 dB
Linkwitz-Riley "In Phase", 36 dB In Phase
(Requires
DB-2A - $230)
Custom
versions for Snell and Magnepan available.
Snell:
A-III & a-III imp., Ci & C-2 & A orig. imp, A-II.
Magnepan: MG-Ib or Ic, IIb or IIc, III/IIIa, IIIB, IV, IVa, ID,
20.
2-way Gaussian 580
3-way Gaussian 695
2-way Butterworth 770
3-way Butterworth 1070
2-way In Phase 24 dB 970
2-way In Phase 36 dB 1120
Snell A-III 1030
Snell Ci 1100
Snell A-II 940
Magnepan 3A 700
Option:
Premium gold plated teflon jacks
Spec Sheet
pg 1 pg 2
Audiogram Review of DB-3-24 In Phase Crossover
Crossover Question and Answer pg1
pg2
pg3
pg4
pg5
pg6
Crossover Usage pg1
pg2 pg3
Crossover Hookup
Tone Control (1)
DB-5
PRECISION TONE CONTROL Basic version
750
DB-5AU PRECISION TONE
CONTROL with oak cabinet 900
Spec Sheet
pg 1 pg 2
pg 3
curves-1
curves-2
Phase Inverter (1)
DB-7
PRECISION PHASE INVERTER +bridging+subsonic+supersonic
filter
370
(Requires DB-2A)
Spec Sheet
pg 1 pg 2
Power Supply
DB-2A POWER
SUPPLY Regulated, with dual electrostatic
shields, soft turn-on, fold back current limiting
230, same with cosmetic defects 180
Note: (1) Optional premium teflon gold plated jacks $16 per jack, gold
plated jacks $8 ea. Updates are available for most of our
products--premium connectors, balanced inputs/outputs etc.
Inquire for details.
Selected Updates
--DB-1 & DB-2 to DB-1A/2A Improved RIAA (.04 dB) and complete
retest. Includes gold
plated phono jacks (2) and
diamond cut solid aluminum knobs. $128
--DB-1A to DB-1B Includes new lower noise high level stage, Alps 80 dB
tracking volume control, 6 dB better channel
separation, all gold plated jacks, solid oak cabinet with new front
panel and warranty extension to three
years. (Also available with old panel and new solid
walnut cabinet for reduced cost).
$450
--Install gold plated jacks on DB-1, DB-1A ( rugged panel mount jacks
installed) $144 ($8 ea.). Teflon gold jacks $16 each.
--Install Alps volume control. Includes tweaking tracking (balance) in that preamp. $98
--DB-4 to DB-4B Gain increased by 5 dB, noise reduced by 4 dB + gold
plated jacks 70
--DB-4A to 4B 3 dB more gain, 2 dB less noise 37
--DB-2 to 2A Lower output impedance, 12 dB less ripple and soft turn-on
circuit 220
--DB-6 to 6A Improvement triples power supply capacitance to 42,000 uF
for cleaner clipping. Gold
plated binding posts and jacks and warranty extension to two years,
stereo 275, mono 255
--DB-6A to 6A+ Increases power supply capacitance to 126,000 uF
300
--Improved turn-on/off-transient suppression for older DB-6 power
amplifiers 80
--Amplifier Conversion: -40 W stereo to 140 W mono amplifier 39
-Mono to Stereo 55
--Amplifier Gold jacks: Mono 20, Stereo 40