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JRDG Company Special – Model 102

Model 102 (2007-2012)
Retail price in 2007 in Germany:
Black 1.798 euro
Silver 2.098 euro

Inside the 102 are 2 identical ICE-power 200ASC modules, which are lower powered- but newer versions than the 500ASP ones used in the 201’s, each with their own integrated switched power supply. There is not much Rowland here but you have to admit that even if it is completely ICE technology,  it is still the prettiest application so far, plus it is very reasonably priced!

rowland-102-cp-img_6221_550pix

rowland-102-cp-img_6219_550pix

The model 102 sounds very good: neutral, fast, transparent and refined, and it is much more powerful than its diminutive size seems to indicate, driving Magnepan MG3.6 speakers with ease. Ultimately tonally a little on the dull side but still extreme value for money.

rowland-102-img_6251_cropped_550pix

rowland-model-102_550pix

rowland-capri-pre-en-102-power_550pix

Model 102 together with the same-sized Capri. Of the two it is said that the Capri is the star of the show, but having heard most every other Rowland preamp ever made, I don’t share that opinion. To me, the 102 is the star of the couple.

rowland-102_stereo_550pix

The front panel seems to be the same as for every other Rowland product: a separate, solid slab of aluminium, bolted to the main enclosure that is also usually made from a solid block of aluminium. The 102’s front however only appears to be separate but is actually part of the same solid block from which the black part is made, just machined differently. Surely this helps save costs but it still looks as spectacular as ever.

rowland-102-cp-rear-img_6222_550pix

rowland_102_inside_400pix

rowland-102img_6152_550pix

rowland-102-stereo-ice-amp-intern_454pix

rowland-102-img_6146_550pix

Inside the 102 are two identical 200ASC ICE modules with integrated power supply.

rowland-102-img_6148_550pix

rowland-102-img_6151_550pix

Model 102 Features

One pair XLR input connectors for balanced system configurations. Same gain and input impedance characteristics are ensured whether XLR or RCA adapted inputs are used.

CE approved speaker output terminals require no tools for secure, low resistance connections.

Fully-balanced topology implemented in both input and output circuitry.

Low noise, high-current, switchmode power supply provides highest performance at any world-wide mains operating voltage and ensures consistent performance under all operating and AC line conditions.

Fully-balanced inputs provide universal compatibility with other components and eliminate ground loop noise and EMI.

High efficiency ICEpower® power conversion technology generates high output power with very little heat, promotes long component life and permits a relatively small physical size.

Low power consumption permits constant power-up operation to eliminate warm-up time.

Ultra-low resonance, structurally rigid chassis, precision-machined from a solid block of aircraft grade 6061-T6 aluminum.

Remote ON/OFF input jack allows amplifier standby operation from a remote source for inclusion into home theater (A/V) systems.

Model 102 Technical Specifications

Output Power Continuous RMS
@ 8 ohms – 100 watts
@ 4 ohms – 200 watts

Input Impedance
40k Ohms

Frequency Response
5 Hz – 65kHz, 3dB

Common Mode Rejection Ratio
>85 dB, 20 Hz 20 kHz

Peak Output Current
> 11 amps

Absolute Phase
Non-inverting, Pin 2 Positive

Dynamic Range
110 dba

Outputs
1 Pair CE-Approved Binding Posts

CCIF Intermod. Dist., 14/15kHz
< .0005% 10 W 4 ohms

Power Consumption
Idle – 10 watts
Maximum – 500 watts

Damping Factor @ 1 kHz
1000

Amplifier Weight
7.4 lbs/3.4 kg.

Overall Gain
27 dB

Amplifier Dimensions
2.7″(H) x 13.7″(W) x 7.5″(D) / 68.5mm(H) x 34.8cm(W) x 19cm(D)

More Jeff Rowland

Jeff Rowland Company Special Main Page
Jeff Rowland Company Special Power Amplifiers
Trends TA-10.2, Wadia 151, Jeff Rowland 102 and OEM ICE Power module compared
Class AB vs Class D – Model 525 compared to Model 201, Model 10 and Model 6

Also Read

“Digital” Switching Class D or Class T Amplifiers

2 Comments

  1. Robert says:
    14 February 2020 at 10:14

    The 200ASC is a balanced amp.

    Reply
    1. Christiaan Punter says:
      16 February 2020 at 13:43

      Noted and corrected, thanks.

      Reply

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