Full Line Electronics

Preamplifiers (1)
    DB-lB/2A    PRECISION PREAMPLIFIER (10-1/2" panel, Oak Cabinet)  1700  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-lB/2A    PRECISION PREAMPLIFIER 8-1/2" Panel, no cabinet 1448
    DB-1B-HL/DB-2A As above, no phono, 5 line inputs, tin jacks    1248
    DBR-15B/2A  RACK MOUNT PRE+TONE CONTROL   2560

 DB-4B   PRECISION PRE-PREAMPLIFIER (Requires DB-2A)         470
          It features Rohm's legendary 2SB737, the lowest noise transistor ever made
                              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)        1820  photo
    DB-6A-M   PRECISION MONO POWER AMPLIFIER (140 W 8 Ohms)    3600/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 - $280)
            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         1080
    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     470
             (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    400, same with cosmetic defects 320

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
--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 25
--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 100
--Amplifier Conversion: -40 W stereo to 140 W mono amplifier 60
                                   -Mono to Stereo 80
--Amplifier Gold jacks:  Mono 20, Stereo 40