RightMark Audio Analyzer test report
Hagerman Cornet2 (Modified*)
| Testing device | Hagerman Cornet2 (Modified) |
| Sampling mode | 24-bit, 96 kHz |
| Interface | Hagerman Inverse RIAA -40 dB output |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.2.5 |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| RIAA Frequency Accuracy (from 40 Hz to 15 kHz), dB |
+0.52 -0.81
|
| Noise level, dB (A) |
-58.0
|
| Dynamic range, dB (A) |
57.9
|
| THD, % |
0.073
|
| THD + Noise, dB (A) |
-50.1
|
| IMD + Noise, % |
1.108
|
| Stereo crosstalk, dB |
-54.9
|
| IMD at 10 kHz, % |
0.741
|
RIAA Accuracy & THD
| RIAA
Frequency Accuracy |
Left
|
Right
|
| From 20 Hz to 20 kHz, dB |
-1.88, +0.84
|
-1.82, +0.90
|
| From 40 Hz to 15 kHz, dB |
-0.85, +0.84
|
-0.85, +0.87
|
Noise level
|
Left
|
Right
|
|
| RMS power, dB |
-42.9
|
-45.2
|
| RMS power (A-weighted), dB |
-58.0
|
-57.9
|
| Peak level, dB FS |
-33.6
|
-33.6
|
| DC offset, % |
-0.0
|
-0.1
|
Dynamic range
|
Left
|
Right
|
|
| Dynamic range, dB |
+42.7
|
+45.2
|
| Dynamic range (A-weighted), dB |
+58.1
|
+57.8
|
| DC offset, % |
-0.03
|
-0.10
|
THD + Noise (at -3 dB FS)
|
Left
|
Right
|
|
| THD, % |
+0.0082
|
+0.1388
|
| THD + Noise, % |
+1.4699
|
+1.2529
|
| THD + Noise (A-weighted), % |
+0.2629
|
+0.3637
|
Intermodulation distortion
|
Left
|
Right
|
|
| IMD + Noise, % |
+0.7397
|
+1.4770
|
| IMD + Noise (A-weighted), % |
+0.2911
|
+0.5023
|
Stereo crosstalk
|
Left
|
Right
|
|
| Crosstalk at 100 Hz, dB |
-37
|
-31
|
| Crosstalk at 1000 Hz, dB |
-55
|
-53
|
| Crosstalk at 10000 Hz, dB |
-61
|
-59
|
* Modifications:
Octal
tube (6SN7) as cathode follower
Extensive use of polished copper in chassis
Russian NOS Teflon capacitors in all audio circuits except Cardas Golden Ratio Capacitor for output coupling
